Add files via upload

Author: coderpheonix

1672. Richest Customer Wealth.cpp

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+class Solution {
+public:
+    int maximumWealth(vector<vector<int>>& accounts) {
+        int maxWealth = 0;
+        for (const auto& customer : accounts) {
+            int wealth = accumulate(customer.begin(), customer.end(), 0);
+            maxWealth = max(maxWealth, wealth);
+        }
+        return maxWealth;
+    }
+};